Heat a large non-stick skillet over medium heat and add a bit of oil.

Add the onion, green pepper, and ham to the skillet and cook while stirring for a minute or two.

Beat the eggs together and season with sea salt and pepper.

Pour the eggs over the skillet to cover the bottom of the pan.

Cover the skillet with a lid and let it cook for about 5 minutes or until the eggs have set.

spread the cheese over the top of the omelette and cover again. Cook until the cheese melts.

Toast the bread and butter it, then divide up the omelette between the two sandwiches.